I’ve updated one of my older posts (ok really old) on a noisy exhaust blower motor on a Whitfield Advantage Optima 3 FS pellet stove (now owned by Lennox Hearth Products). The update was largely due to my annual deep cleaning of my in-law’s stove and learning things along the way.
If you are into this kind of renegade after market noise reduction solution, go check it out here:
https://dompruitt.com/2008/12/25/whitfield-advantage-ii-pellet-stove-noisyrattling-blower/
– Dom
Dominic Pruitt 